chapter 4 stuff

Question 1

cryotherapy

Answer 1

cold treatment

Question 2

ecchymosis

Answer 2

abnormal condition of blood under the tissues (a bruise)

Question 3

what is a Mohs procedure

Answer 3

thin layers are scraped off the skin at an area of concern until the samples come back clean

Question 4

what 3 elements does skin protect the body from

Answer 4

uv rays, pathogens, physical damage

Question 5

how does skin regulate the body’s temp

Answer 5

produces sweat which evaporates and removes heat from the body

Question 6

which layer of skin stores fat

Answer 6

hypodermis/subcutaneous layer

Question 7

what causes someone’s hair to stand on end

Answer 7

arrector pili muscles in the dermis contract and pull the hair up when someone is cold or scared

Question 8

4 major functions of skin

Answer 8

protection, body temp control, excretion, perception of stimuli

Question 9

outermost layer of skin

Answer 9

epidermis

Question 10

melanocytes

Answer 10

cells that produce dark brown or black pigment

Question 11

protective function of melanin

Answer 11

protects from uv rays

Question 12

oil produced by sebaceous glands

Answer 12

sebum

Question 13

connective tissue in the skin

Answer 13

collagen

Question 14

lunula

Answer 14

half moon-shaped structure found in the nail

Question 15

abnormally raised and thickened scar

Answer 15

keloid

Question 16

macule

Answer 16

a freckle

Question 17

vesicle

Answer 17

small, raised skin lesion filled with clear fluid

Question 18

fissure

Answer 18

crack or grove in skin

Question 19

wheal

Answer 19

smooth, slightly swollen area redder or paler than the surrounding skin

Question 20

ulcer

Answer 20

open sore or erosion of the skin

Question 21

papule

Answer 21

solid skin elevation with distinct borders

Question 22

pustule

Answer 22

small, infected skin elevation that contains pus

Question 23

cycst

Answer 23

closed, thick-walled sac containing fluid

Question 24

macula

Answer 24

small, flat, discolored lesion

Question 25

nodule

Answer 25

skin elevation larger than one centimeter

Question 26

nevus

Answer 26

highly pigmented lesion